90286906425 has 24 divisors (see below), whose sum is σ = 149359723104. Its totient is φ = 48125477760.

The previous prime is 90286906403. The next prime is 90286906513. The reversal of 90286906425 is 52460968209.

It is not a de Polignac number, because 90286906425 - 2⁸ = 90286906169 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211887 + ... + 474836.

It is an arithmetic number, because the mean of its divisors is an integer number (6223321796).

Almost surely, 2^90286906425 is an apocalyptic number.

It is an amenable number.

90286906425 is a deficient number, since it is larger than the sum of its proper divisors (59072816679).

90286906425 is a wasteful number, since it uses less digits than its factorization.

90286906425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688489 (or 688484 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 51.

The spelling of 90286906425 in words is "ninety billion, two hundred eighty-six million, nine hundred six thousand, four hundred twenty-five".